1.It's easy to install: just need 5 minutes ,without wiring, beautiful and convenient. 

2. The operation is simple and safe: press the button then will see an  image so that guarantee safety.

3. Users are not limited: even the old with poor eyesight or the little kids.

4. High-resolution image: 300,000 pixel provide clear and vivid image,  LCD screen  superior to traditional door-bell.

5. Super province electricity: taking two AA batteries and special power management technology(about 1800 times the switch to watch), Standby zero power consumption 

6. Compared with ordinary cat's eye,it is more practicality,safety.

7.Monitor with battery electric quantity display function :remind the user to change a new one when the light which in the bottom of the right is bright .

8.Wide viewing angles :100 degree

9.15S automatic shutdown, users need not worry about battery runs out quickly  if forgetting shutdown.

10.Can used for differently-thick door(35mm-50mm),Mounting hole diameter:14MM

11.Fast boot:without waiting,a boot will be able to display images.

12. Camera: 300,000 CMOS illuminated sensor pixel.

13. Monitor: 2.2" TFT  LCD    Display Resolution: 240xRGBx320

14.power consumption:<=0.36W

15.Power supply:DC3V     Minimum illumination:3.5Lux

16.color box:16.8x9.5x3.8CM

17. Weight:  about 246g(without batteries)

18.Package: 46.5×35×37CM    80set/carton    

19.Accessories:one mainframe,one metal door mirror(cat's eye), one metal plate hand piece ,one instruction book.